vue3.2/Vite/Ts22: 自定义检验表单规则
·
Yin灏
处理登录表单自定义校验
- src / views / login / index.vue
<template>
<div class="login_container">
<el-row>
<!-- 当页面宽度小于 768,此处会消失 -->
<el-col :span="12" :xs="0"></el-col>
<el-col :span="12" :xs="24">
<el-form
class="login_form"
:model="loginForm"
:rules="rules"
ref="loginFormRef"
>
<h1>hello, welcome!!</h1>
<el-form-item prop="username">
<el-input
:prefix-icon="User"
v-model="loginForm.username"
></el-input>
</el-form-item>
<el-form-item prop="password">
<el-input
type="password"
:prefix-icon="Lock"
v-model="loginForm.password"
show-password
></el-input>
</el-form-item>
<el-form-item>
<el-button
class="login_btn"
type="primary"
size="default"
@click="login"
:loading="loading"
>登录</el-button
>
</el-form-item>
</el-form>
</el-col>
</el-row>
</div>
</template>
<script setup lang="ts">
import { User, Lock } from "@element-plus/icons-vue";
import { reactive, ref } from "vue";
// 路由方法引入
import { useRouter } from "vue-router";
let $router = useRouter();
// 引入消息提示组件
import { ElNotification } from "element-plus";
// 引入 user 小仓库
import { useUserStore } from "@/store/modules/user";
let userStore = useUserStore();
// 登录按钮 loading 效果
let loading = ref(false);
// 获取 el-form 组件
let loginFormRef = ref();
// 收集表单填写的数据
let loginForm = reactive({
username: "",
password: "",
});
// 处理点击 button 登录逻辑
const login = async () => {
// 保证所有表单项验证通过
await loginFormRef.value.validate();
// loading 加载效果添加
loading.value = true;
try {
await userStore.userLogin(loginForm);
// 登录成功就跳转首页
$router.push("/");
// 成功提示信息
ElNotification({
type: "success",
message: "登录成功",
});
loading.value = false;
} catch (error) {
loading.value = false;
ElNotification({
type: "error",
message: (error as Error).message, // 断言错误类型
});
}
};
const validatorUserName = (rule: any, value: any, callback: any) => {
if (value.length > 5) {
callback();
} else {
callback(new Error("用户名的长度至少5位"));
}
};
const validatorPassword = (rule: any, value: any, callback: any) => {
if (value.length > 6) {
callback();
} else {
callback(new Error("密码的长度至少6位"));
}
};
// 定义表单校验配置对象
const rules = {
username: [
{
trigger: "change",
validator: validatorUserName,
},
],
password: [
{
trigger: "change",
validator: validatorPassword,
},
],
};
</script>